Finding the Fourth Proportional to 818,684.99, 1,228,027.49 and 250,043.12
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Solution
The fourth proportional to 818,684.99, 1,228,027.49 and 250,043.12 is: 375,064.67
Step by Step Solution
- Step 1: Write the proportion equation
818,684.99 : 1,228,027.49 = 250,043.12 : x - Step 2: Convert to fraction form
818,684.99/1,228,027.49 = 250,043.12/x - Step 3: Cross multiply
818,684.99x = 1,228,027.49 × 250,043.12 - Step 4: Simplify right side
818,684.99x = 307,059,817,655.02 - Step 5: Solve for x
x = 307,059,817,655.02/818,684.99 - Step 6: Final answer
x = 375,064.67
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.